package com.javaweb.service;
import com.javaweb.common.MyAnnotation;
import com.javaweb.entity.ShoppingCart;
import com.javaweb.entity.Product;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Service
@MyAnnotation
public class ShoppingCartService {
    public int add(Product product){
        return 0;
    }

    public int remove(String id){
        return 0;
    }
    public List<Product> listAll(){
        return null;
    }

}
